Folding box or carton



April 14, 1953 LEVKOFF FOLDING BOX 0R CARTON 2 Sl-IEETS-SHEET 1 Filed Nov. 1. 1949 INVENTOR. David Levkoff .AO I I4 ls l I April 14, 1953 D. LEVKOFF 2,634,900

FOLDING BOX OR CARTON Filed NOV. 1, 1949 2 SHEETSSHEET 2 2 INVENTOR.

David Levkoff ATTORNEY Patented Apr. 14, 1953 UNITED STATES PATENT OFFICE.

2,634,900 FOLDING Box on CARTON David Levkoff, Great Neck, N. Y.

Application Novemberl, 1949, Serial No. 124,751

6 Claims. 1 This invention is an improvement in folding boxes or cartons, particularly boxes of sheet material such as cardboard, having the form 'of trays for containing merchandise.

An importantobject of the invention is to provide a box by making a blank of sheet material l so shaped and scored for bending that parts thereof can be connected, and then the box can be set up for use or collapsed and flattened by folding it along the bottom and at the ends for" convenience in storing or shipping.

Other objects and the advantages of the invention are made clear in the following description, and in the accompanying drawings are illustrated two preferred forms of the invention. But the disclosure is by way of example only, and I may alter the construction in re-:

gard to shape, size, arrangement of parts andother details without deviating from the essential characteristics of the improvement which are defined in the appended claims.

- On the drawings:

Figure 1 is a plan view of a blank for making a box or carton according to this invention, half being shown.

Figure 2 is a plan view of the box in completed form and readiness for use.

Figure 3 is a section on line 3-3 of Figure 2. 1

Figure 4 is a plan view of the box in partly folded condition.-

Figure 5 is a section along line 5--5 of Figure 4.

. Figure 6 is a plan of a blank for another form of box according to this invention, half being shown.

,Figure 7 shows the last-named box in set-up form. I

Figure 8 is a view along line 88 of Figure 6.

At the extremities of the sides are the end sections 4 and 5, each of which' is hinged to one of the side sections along transverse score lines 6. the end sections, such as the section 4, has a fiap 1 connected to it along a score line 8. Connected One of to the sections 4,.Iand 5 along the inner edges' thereof and in line with the bottom are flaps 9 and I0, which can be bent about extensions of'" the score lines 3', between these flaps and the sections 4 and 5. The flaps 9 and III are out free from each other, and partly free from the bottom I along cuts II at the opposed corners ad-' jacent the bottom in line with the creases 6; and from a point at th end of each cut I I a diagonal cut I2 extends into each extremity of the bottom I. The inner ends of the cuts I2 are joined to the intersection of the score lines 3 and} by diagonal score lines I3; and between each of the cuts I2 and lines I3 is a triangular connecting flap I4, which is hinged to the adjacent flap 9 or II] along an extension of the score line '6. One of these flaps, such as the flap 9, has a hinged tab I 6 projecting from its outer end in the same direction as the extension I; and the end section 5 has a recess I! in its outer edge of the same width and depth as the width and length of the tab I6. In the bottom I is a longitudinal score line I5, running along the middle, in line with the opposed free edges of the flaps 9 and II).

To give the box its form, the side sections 3 are bent u about the score lines 3, and the end" sections are bent around the lines 6 till the flap I overlies the outer face of the section 5 and covers the recess II. But first the flaps 9 and III are turned inward over the bottom, the connecting flaps I4 then being turned down against the bottom. The flap 4 and section 5 are then glued or otherwise fastened to each other. Such a movement of the parts causes the triangular connecting flaps I4 to turn upward about the score lines I3 till they lie fiat against the bottom I, and the flaps 9 and III then lie flat upon the flaps I 4; the latter bending about the score lines along which they are joined to the flaps 9 and ID. The tab I6 is then glued to the flap III, so-that the free-cut opposed edges of the flaps 9 and I 0, shown in Figure 1, are thus brought into registry or line with each other, as shown in Figure 2 The box can then be filled or otherwise put into use.

To collapse the box, the bottom is bent along the score line I5 in the middle and the ends along the score lines 8 to .push the sections '4 and 5 outward while still joined together by the flap 1.

The opposed edges of the flaps 9 and" I0. connected by the tab I6, are now pushed up by the middle of the bottom, and the sides-,2 push against the score lines along the junction of the flaps 9 and I0 and the triangular connecting flaps l4 till each flap with the connected triangular flap I4 lies in the same .plane as the adja-'- cent half I8 of the bottom and fiat against the end sections 4 and 5. The tab I6 then fits '7 snugly into the recess H. The box is now colends towards each other.

lapsed, but it can be set up again by pushing the The sides are thus moved apart, the end sections 4 and 5 come into line, and the flaps 9 and I and the connecting flaps I4 are once more laid flat against the bottom I. y

In Figures 6 to 10, the box has a bottom I, with hinged sides 2, and each end section 4 with a hinged flap l as before. The other end sections have no r'ecessL The bottom I has a flap I9 at each end, and of full width,'hinged alongan extension of the line i, and bisected by an extension of the score line I5. Each flap I9 is out free from the sections 9 and 50 along lines. 20. When this box is set up, the flaps T are united to the sections 5, and the flaps I9 are raised and laid fiat against the inner faces of the. ends, To col.-v

lapse this box, the flaps I 9 are laid on the bottom I, the middle of the bottom is forced up from below, the ends are bent along the lines 8 as the sides approach, and each flap I9 is bent. along thescore line through the middle and folded down upon the bent-up halves it of the bottom oneach side of. the line I5. r V

Both forms of the invention are thussimple in construction and easily made, readily setup and conveniently flattened to be stacked when necessary. Once the end sections 4 and 5 are connected by the flap i, the box can be collapsed or set up at once merely by manipulating it as required. I

'Iheflaps 9 and ID in both forms close the corners between the ends and. the bottom I.

Having described. my invention, what. I believe to be new is: I

l. A. box of sheet material having a bottom, sides, and ends, the bottom having a score line dividing it longitudinally into halves and the ends comprising foldable sections hinged to the sides, each section having substantially the sametom each connecting one of the first-named fiaps'to the adjacent half of said. bottom.

2.11A. box. of sheet. material having a bottom,

sides'and ends, the bottom having a score line dividing it longitudinally into halves and the ends comprising foldable sections hinged to the sides, each section having substantially the same width as the half of the. bottom, and hinge-con nectedto the adjacent section, said box. having flaps of the same width as the sections and hinged to the extremities of the halves of the bottomand to the lower edges of saidsections, said flaps being out free from each .other,. and

hinged triangular flaps in the halves of the bottom each connecting one of the first-named flaps to the adjacent half of said bottom, one of the first-named. flaps having a tab joining it to the other first-named flap.

3..,A box of sheet material having a bottom, sides and ends, thebottom havinga score line dividing it longitudinally into halves and the ends comprising foldable sections hinged to the sides, each. section having substantially the same width as the half of the bottom, and hingeconnected to the adjacent section, said box having flaps of the same width as the sections and hinged to the extremities of the halves of the bottom and to the lower edges of said sec-.

4 tions, said flaps being out free from each other, and hinged triangular flaps in the halves of the bottom each connecting one of the first-named flaps to the adjacent half of said bottom, one of the first-named flaps having a tab joining it to the other first-named flap, one of said sections having a recess to receive said tab when the box is collapsed by folding the bottom along said score line, to move the halves of the bottom and the sides towards each-other amrbene the ends along the hinged connection of said sections, thus causing the first-named flaps to fold against the inner faces of said sections.

4. A box of sheet material having a bottom, sides and ends, the bottom having a score line dividing itlongitudinally into halves and the ends comprising foldable sections hinged to the sides,

' each section havin'gsubstantially the same width as. the half of the bottom, and hinge-connected to the adjacent section, said box having flaps of. thesame width as. the sections andhinged to the extremitiesof the. halves of the bottom and to. the lower edges of said sections, said flapsbeing out free from. each other, and hingedtri angular flaps in the halves of the bottom each connecting one of the first-named fiapsto the adjacent half .of said bottom, the first-named. flaps being partly freed from the bottom by short the adjacent end section and adjacent first-named from said corner to the-adjacent endo-f saidshort' out.

5. A box ofsheet material having a bottom,

sides and ends, the bottom having a score line dividing it longitudinally into halves and the ends comprising ioldable sections hinged to the sides,

each section having substantially the same width. as the half of the bottom, and hinge-connected partly freed from the bottom by short cuts inproximity to said score line, the triangular flap in each half of the bottom being hinge-connected.

along one edgetO said half at the junction of said half and the adjacent first-named flap and along another edge extending diagonally from the common corner. of. said. half. and the adja cent end section and adjacent first-named flap, andbeing out free along a line extending from the end of the last-named edge remote from said corner to the adjacent end of said short cut, one of-the first-named flaps having a tab joinin itto the other first-named flan.

6. A box of sheet material having a, bottom, sides. and endsythe bottom having a score line dividing it longitudinally into halves and the ends comprising foldable sections hinged to. the sides, each section having substantially the same widthas the half of the bottom, and. hinge-connected to the adjacent section, said box having flaps. of the same width as the sections. and hinged to. the extremities of-th'e halves of the bottom and to the lower edges of said sections, said flaps being out free from each other, and hinged triangular flaps in the halves of the bottom each connecting one of the first-named flaps to the adjacent half of said bottom, the first-named flaps being partly freed from the bottom by short cuts in proximity to said score line, the triangular flap in each half of the bottom being hinge-connected along one edge to said half at the junction of said half and the adjacent first-named flap and along another edge extending diagonally from the common corner of said half and the adjacent end section and adjacent first-named fiap, and being out free along a line extending from the end of the last-named edge remote from said corner to the adjacent end of said short cut, one of the first-named flaps having a tab joining it to the other first-named flap, one of said sections having a recess to receive said tab when the box is collapsed by folding the bottom along said score line to move halves of the bottom and the sides towards each other and bend the ends along the hinged connection of said sections, thus causing the first-named flaps to fold against the inner faces of said sections.

DAVID LEVKOEFF.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 665,464 Phillips Jan. 8, 1901 1,838,191 'Rumpel Dec. 29, 1931 2,331,582 Trost Oct. 12, 1943 2,593,77 3 Levkofi Apr. 22, 1952 FOREIGN PATENTS Number Country Date 204,518 Great Britain Oct. 4, 1923 

